Contractors sought for weir, structures at Corps’ Canton Lake Dam

The U.S. Army Corps of Engineers seeks information on contractors capable of building a concrete weir and hydraulic structures as part of an auxiliary spillway at Canton Lake Dam on the North Canadian River in Oklahoma. Responses are due Jan. 31.

Canton Dam, a 68-foot-tall, 15,140-foot-long earth-filled embankment, includes a 778-foot-wide service spillway at the right abutment with 16 tainter gates. Corps hydraulic studies found the existing spillway is unable to discharge a probable maximum flood and the dam is likely to fail during a major flood.

To address the inadequate spillway capacity, the Corps has begun construction of an auxiliary spillway at the right abutment. Under the current contract, a 480-foot-wide auxiliary channel has been partially excavated. Fifty-foot-tall vertical diaphragm walls line the channel. The Corps chose a Fusegate system from Hydroplus Inc. for the new spillway.

The Corps’ Tulsa District seeks information on capabilities of contractors to perform the next phase of the work, including placement of a concrete weir approximately 35 feet deep and 70 feet long spanning the width of the channel. Other work includes a 40-foot-tall water intake monolith with a 47- by 15-foot base; 250 feet of 11-foot-diameter conduit; 30-foot-tall, 50-foot-wide Fusegates, diaphragm walls with anchors; and stoplog manufacture.

A sources sought notice may be obtained from the Federal Business Opportunities Internet site, www.fbo.gov, by entering Solicitation No. W912BV11R0008 in the “Keyword/Solicitation #” box.

Statements of qualifications are due, preferably by e-mail, but also by mail or fax, by 4 p.m., Central time, Jan. 31. For information, contact Jonathan Nadig, Contract Specialist, U.S. Army Engineer District, Tulsa, CESWT-CT, 1645 S. 101st East Avenue, Tulsa, OK 74128-4609; (1) 918-669-7041; E-mail: jonathan.nadig@usace.army.mil.

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